光標操作

DATA: w_fname(20) TYPE c,
      w_val(10) TYPE c.

PARAMETERS: p1(10) TYPE c,
            p2(10) TYPE c,
            p3(10) TYPE c.

AT SELECTION-SCREEN.
  CHECK sy-ucomm IS INITIAL.
  GET CURSOR FIELD w_fname VALUE w_val.
  CHECK w_val IS INITIAL.   "如果沒有輸入
  CLEAR w_fname.

AT SELECTION-SCREEN OUTPUT.
  CASE w_fname.
    WHEN 'P1'.
      CLEAR w_fname.
      SET CURSOR FIELD 'P2'.
    WHEN 'P2'.
      CLEAR w_fname.
      SET CURSOR FIELD 'P3'.
  ENDCASE.

 

 

 

AT SELECTION-SCREEN OUTPUT以外，不好用哈